US Bridges

E Main ST over Raccoon River

Good

Sac County, Iowa · 088362402 · Structure no. 000000000046581

Built
2004
21 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
241 ft
3 main spans
Daily traffic
3,853
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Main ST over Raccoon River is a prestressed concrete stringer/multi-beam or girder carrying E Main ST over Raccoon River in Sac County, Iowa. It was built in 2004, so it is 21 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,853 vehicles a day, projected to reach 3,853 by 2043. The structure is 241 ft (73.5 m) long and 58 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesE Main ST
CrossesRaccoon River
Location088362402
RouteCity Street 0
StateIowa
Coordinates42.42184, -94.98609
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating33.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length241 ft (73.5 m)
Longest span116 ft (35.4 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,853 (2022)
Projected traffic3,853 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E Main ST over Raccoon River built?

It was built in 2004, making it 21 years old in 2025.

What condition is E Main ST over Raccoon River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does E Main ST over Raccoon River carry?

About 3,853 vehicles per day (2022 count).

How long is E Main ST over Raccoon River?

The structure is 241 ft (73.5 m) long with a longest span of 116 ft (35.4 m) and a deck 58 ft wide.

Who owns E Main ST over Raccoon River?

It is owned by the City or Municipal Highway Agency.